Throughout the world, Wieslaw (Wiesław 
, Wieslaw 
, Веслав 
) is a common male forename. The first name Wieslaw is characteristic of Poland, where it is quite a common male name, Germany, where it is quite a rare male name, and Ireland. Not in comparison with a country's population, it most frequently occurs in Poland, Germany, and the United States. More prevalently, Wieslaw is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Wiesław | Poland, United Kingdom, Canada, United States, Germany |
| Wieslaw | Poland, France, United Kingdom, United States, Germany |
| Веслав | Lithuania, Kazakhstan, Belarus, Russia, Ukraine |
Wieslaw is also a name for the fictitious and mythical characters: Wiesław Gabriel , character in Złotopolscy.
| wieslaw machan (b. 1909) |
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| wieslaw sobierajski (b. 1913) |
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| wieslaw piotr pilars (1929-1996) (b. 1929) |
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| wieslaw z. szota (b. 1929) |
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| wieslaw hudon Polish art critic, photographer and filmmaker, PL (b. 1943) |
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| wieslaw szlachta (b. 1937) |
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| wieslaw sokolowski (b. 1944) |
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| wieslaw smetek Polish illustrator, PL (b. 1955) |
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| wieslaw janocha chess player (b. 1957) |
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| wieslaw osuchowski (b. 1947) |
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| wieslaw goliat handball player (b. 1959) |
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| wieslaw ciesielski (b. 1959) |
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| wieslaw wojcik (b. 1959) |
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| wieslaw kwak (b. 1963) |
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| wieslaw lipka PL (b. 1965) |
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